Sciweavers

GLOBECOM
2007
IEEE
13 years 11 months ago
AMC-Aware QoS Proposal for OFDMA-Based IEEE802.16 WiMAX Systems
— OFDMA-based IEEE802.16 implements Adaptive Modulation and Coding (AMC) which results in a different bit rate for each user depending on its position in the cell as well as the ...
Chadi Tarhini, Tijani Chahed
GLOBECOM
2007
IEEE
13 years 11 months ago
Distributed Space-Time-Frequency Block Codes for Multiple-Access-Channel with Relaying
—In this paper, we investigate diversity gain in coding for a 2-user multiple-access-channel (MAC) with cooperating transmitters–the MAC with relaying. We propose a simple dist...
Onur Oguz, Abdellatif Zaidi, Jérôme L...
GLOBECOM
2007
IEEE
13 years 11 months ago
Properties of Opportunistic and Collaborative Wireless Mesh Networks
Abstract—While the cost of nodes in a wireless mesh network is decreasing, the price tag of the network as a whole is best minimized by deploying the fewest number of nodes that ...
Cédric Westphal
GLOBECOM
2007
IEEE
13 years 11 months ago
Optimization of CPM Pragmatic Capacity
— The paper extends the pragmatic approach to coded continuous-phase modulation (CPM). It first proposes an optimization of the CPM capacity for given complexity and bandwidth e...
Sergio Benedetto, Guido Montorsi, Alberto Perotti,...
GLOBECOM
2007
IEEE
13 years 11 months ago
On the Maximal Rate of Non-Square STBCs from Complex Orthogonal Designs
Saif K. Mohammed, B. Sundar Rajan, Ananthanarayana...
GLOBECOM
2007
IEEE
13 years 11 months ago
Improving Connectivity via Relays Deployment in Wireless Sensor Networks
Abstract— Enhancing the connectivity of wireless sensor networks is necessary to avoid the occurrence of coverage gaps. In this paper, we aim at improving the network connectivit...
Ahmed S. Ibrahim, Karim G. Seddik, K. J. Ray Liu
GLOBECOM
2007
IEEE
13 years 11 months ago
Using Type-of-Relationship (ToR) Graphs to Select Disjoint Paths in Overlay Networks
— Routing policies used in the Internet can be restrictive, limiting communication between source-destination pairs to one path, when often better alternatives exist. To avoid ro...
Sameer Qazi, Tim Moors
GLOBECOM
2007
IEEE
13 years 11 months ago
Enhancing QoS Support in IEEE 802.11e HCCA
—IEEE 802.11e standard develops a reference design to support the contention-free access. In the reference design, the packet transmission opportunity (TXOP) duration is calculat...
Qinglin Zhao, Danny H. K. Tsang
GLOBECOM
2007
IEEE
13 years 11 months ago
Turbo Equalization for Single Antenna Cochannel Interference Cancellation in Single Carrier Transmission Systems
Abstract—In recent years, single antenna interference cancellation (SAIC) has evolved as an attractive method to increase the capacity of single carrier mobile radio networks lik...
Patrick Nickel, Wolfgang H. Gerstacker, Wolfgang K...